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UCD91160

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Secuenciador de alimentación PMBus de 16 carriles y administrador de sistemas

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UCD91160

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Detalles del producto

Number of supplies monitored 16 Number of sequenced outputs 16 Rating Catalog Iq (typ) (mA) 10 Operating temperature range (°C) -40 to 125
Number of supplies monitored 16 Number of sequenced outputs 16 Rating Catalog Iq (typ) (mA) 10 Operating temperature range (°C) -40 to 125
LQFP (PM) 64 144 mm² (12 mm × 12 mm)
  • Sequence and monitor up to 16 analog rails
  • PWM margining on up to 8 rails
  • Cascade up to 4 devices to sequence up to 64 rails
  • Active trim function allows user to trim output voltage
  • Monitor and respond to OV, UV, time-out, and GPI-triggered faults
  • Flexible sequencing dependencies, delay times, Boolean logic, and GPIO configurations
  • Rail status dependent sequencing, delay times, and LGPO pins for complex sequencing applications
  • Four rail profiles for adaptive voltage identification (AVID) voltage regulator
  • Nonvolatile fault event logging with RTC and timestamping
    • Single-event fault log (100 entries)
    • Black box fault log saves fault information and status of all rails - for the first fault and the last fault before a power down event
  • Continue monitoring rails during configuration activities to maximize up-time
  • Programmable watchdog timer and system reset
  • GPI Controlled Rail Groups
  • SEU mitigation and ECC (single-error correct + double-error detect)
  • PMBus™ 1.2 compliant
  • PMBus security profile Level 0 with custom commands to enable features in security profile Level 2
  • Sequence and monitor up to 16 analog rails
  • PWM margining on up to 8 rails
  • Cascade up to 4 devices to sequence up to 64 rails
  • Active trim function allows user to trim output voltage
  • Monitor and respond to OV, UV, time-out, and GPI-triggered faults
  • Flexible sequencing dependencies, delay times, Boolean logic, and GPIO configurations
  • Rail status dependent sequencing, delay times, and LGPO pins for complex sequencing applications
  • Four rail profiles for adaptive voltage identification (AVID) voltage regulator
  • Nonvolatile fault event logging with RTC and timestamping
    • Single-event fault log (100 entries)
    • Black box fault log saves fault information and status of all rails - for the first fault and the last fault before a power down event
  • Continue monitoring rails during configuration activities to maximize up-time
  • Programmable watchdog timer and system reset
  • GPI Controlled Rail Groups
  • SEU mitigation and ECC (single-error correct + double-error detect)
  • PMBus™ 1.2 compliant
  • PMBus security profile Level 0 with custom commands to enable features in security profile Level 2

The UCD91160 device is a 16-rail PMBus controlled power sequencer in a 64-pin QFP package.

Dedicated pins (MONx) monitor up to 16 voltage rails in either analog or digital modes. 16 rail enable (ENx) pins allow regulators to be sequenced. 8 margining (MARx) pins can be used to push regulators to high or low limits (margins) for testing, or actively trim outputs for enhanced accuracy. The output state of 16 logical GPO (LGPOx) pins can be controlled by the state of GPIs, rail status, and other LGPOs.

Nonvolatile event logging preserves fault events after power dropout. The Black Box Fault Log preserves the fault information and the status of all rails. The black box fault log records the first and last fault event before a power down. The cascading feature offers convenient ways to manage up to 64 voltage rails.

The Sequencer Studio™ software is an intuitive PC-based graphic user interface (GUI) that can configure, store, and monitor all system operating parameters.

The UCD91160 device is a 16-rail PMBus controlled power sequencer in a 64-pin QFP package.

Dedicated pins (MONx) monitor up to 16 voltage rails in either analog or digital modes. 16 rail enable (ENx) pins allow regulators to be sequenced. 8 margining (MARx) pins can be used to push regulators to high or low limits (margins) for testing, or actively trim outputs for enhanced accuracy. The output state of 16 logical GPO (LGPOx) pins can be controlled by the state of GPIs, rail status, and other LGPOs.

Nonvolatile event logging preserves fault events after power dropout. The Black Box Fault Log preserves the fault information and the status of all rails. The black box fault log records the first and last fault event before a power down. The cascading feature offers convenient ways to manage up to 64 voltage rails.

The Sequencer Studio™ software is an intuitive PC-based graphic user interface (GUI) that can configure, store, and monitor all system operating parameters.
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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos UCD91160 16-Rail PMBus™ Power Sequencer and System Manager datasheet PDF | HTML 23/12/2025
Nota sobre la aplicación Design Voltage Margining Circuit for UCD91xxx Power Sequencer and System Manager (Rev. A) PDF | HTML 24/07/2026
Nota sobre la aplicación UCD91xxx Frequently Asked Questions PDF | HTML 2/06/2026
Guía del usuario UCD91xxx Sequencer and System Health Controller PMBus™ Command Reference PDF | HTML 10/12/2025

Diseño y desarrollo

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GUI para el módulo de evaluación (EVM)

UCD-POWER-SEQUENCER-STUDIO — Configure the UCD91XXX device family using the UCD Power Sequencer Studio

Graphical environment for configuring, storing, and monitoring parameters for the UCD91xxx sequencer family
Productos y hardware compatibles
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
LQFP (PM) 64 Ultra Librarian
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Pedidos y calidad

Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

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